Table 2. Cytogenetic data found in the species or populations of Moenkhausia analyzed in this study.
| Species | (Map point) Locality | Diploid Number | Karyotypic Formula | FN | B-Chromosomes |
|---|---|---|---|---|---|
| Moenkhausia cosmops | (1) Verde River | 50 | 14m+30sm+6st | 100 | - |
| M. forestii | (4) Ribeirão do Sapo | 50 | 10m+32sm+8st | 100 | 0-3 |
| M. oligolepis | (5) Corredeira Stream | 50 | 12m+32sm+6st | 100 | 0-4 |
| (3) Sangue River | 0-3 | ||||
| (6) Xapuri River | 50 | 10m+26sm+14st | 0-2 | ||
| M. nigromarginata | (2) Membeca River | 50 | 14m+32sm+4a | 96 | - |
| (1) Verde River | - | ||||
| Moenkhausia sp. n. | (2) Membeca River | 50 | 10m+32sm+8st | 100 | - |